1. ZPL II, ZBI 2, Set-Get-Do, Mirror, WML Programming Guide
  2. ZBI Commands
  3. SUB
  • ZPL II, ZBI 2, Set-Get-Do, Mirror, WML Programming Guide
SUB

SUB

This command allows you to use names instead of actual line numbers as the target of
GOSUB
s and
GOTO
s.
AUTONUM
 can be used at the beginning of a file and there is no need to compute the line number where the jump will go.
Format
10 SUB <A>
Parameters
<A>
 = the integer variable to use as a target for the
GOTO
/
GOSUB
Example
This is an example of how to use the
SUB
command: 
AUTONUM 1,1 
GOSUB INITCOMM 
DO 
GOSUB GETINPUT 
GOSUB PROCESSINPUT 
LOOP 
SUB INITCOMM 
OPEN #1:NAME "SER" 
RETURN 
SUB GETINPUT 
INPUT #1: A$ 
RETURN 
SUB PROCESSINPUT 
PRINT A$ 
RETURN
Comments
<A>
 is a numeric variable. If this variable is changed in the program, any
GOSUB/GOTO
 to this variable may fail.